CN107687337A - A kind of 3D modelling system of gas hydrates exploitation analogue experiment installation - Google Patents
A kind of 3D modelling system of gas hydrates exploitation analogue experiment installation Download PDFInfo
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- CN107687337A CN107687337A CN201710637935.4A CN201710637935A CN107687337A CN 107687337 A CN107687337 A CN 107687337A CN 201710637935 A CN201710637935 A CN 201710637935A CN 107687337 A CN107687337 A CN 107687337A
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- 238000002474 experimental method Methods 0.000 title claims abstract description 24
- 150000004677 hydrates Chemical class 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 12
- 239000007924 injection Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 6
- 239000004576 sand Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000005336 safety glass Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000000354 decomposition reaction Methods 0.000 abstract description 12
- 238000011161 development Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 7
- NUXZAAJDCYMILL-UHFFFAOYSA-K trichlorolanthanum;hydrate Chemical compound O.Cl[La](Cl)Cl NUXZAAJDCYMILL-UHFFFAOYSA-K 0.000 abstract description 4
- 241001269238 Data Species 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 12
- 238000011160 research Methods 0.000 description 7
- 238000004088 simulation Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
- E21B47/07—Temperature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Educational Administration (AREA)
- Business, Economics & Management (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
A kind of 3D modelling system of gas hydrates exploitation analogue experiment installation, it, which can be controlled, changes the creation datas such as producing well bottom pressure, heat injection temperature, Optimal Development parameter, it can be used in studying spatial distribution, the spatial distribution of saturation field, the fltting speed in decomposition of hydrate forward position, the decomposition mechanism of hydrate in temperature field in lanthanum chloride hydrate and decomposable process.Die body is by the short axle frame at its both ends on model support, die body is set to rotate to specified angle around short axle by rotating mechanism, model well pattern is located on die body, bottom water cavity is located at the bottom of die body, bottom water cavity is a big cavity, fluid is by bottom water cavity even into the layer of sand in die body, one end of model support sets elevating mechanism to make the corresponding end lifting of die body or reduction, and 13 temperature sensor interfaces, 5 pressure sensor interfaces, 13 × 3 electric resistance sensor electrodes are arranged on die body.
Description
Technical field
The present invention relates to the technical field of gas hydrate study, and mould is developed more particularly to a kind of gas hydrates
The 3D modelling system of draft experiment device.
Background technology
Considerable reserves promote the continuous progress of development technique, and the innovation of technology again will be efficiently dynamic with dynamic reserve.
Since this century, the whole world all recognizes that gas hydrates are a kind of cleaning energy for substituting conventional fossil fuel
Source.At the whole world has found hydrate mineral reserve o'clock more than 200, with current energy-consuming trend, the only hydrate of exploitation 15% just
It is available for the whole world to use 200 years as long as.But its own stable Temperature-pressure Conditions for being formed, the particularity of its mining type is determined,
Influence in its other recovery process pair with environment need further to assess.Therefore, the research to hydrate exploitation at present
Except a few countries and area carried out individual well or single well group runin adopt in addition to, overwhelming majority research is also in laboratory physics
Simulation and the stage of numerical simulation.
In order to which the energy huge to this reserves develops and utilizes, researcher proposes many methods：
1. heat injection method：Hydrate is heated to decompose on equilibrium temperature using hot water, steam or hot salt brine is injected；
2. voltage drop method：The pressure that hydrate is hidden is reduced to below balance decomposition pressure；
3. chemical agent method：Chemical agent, such as methanol or ethylene glycol are injected to change hydrate equilibrium formation condition.
For land-based area permafrost region hydrate, carry out after Canada, Japan, U.S. etc. in Mallik areas under small yardstick naturally
After gas hydrate heat injection pilot production, land-based area gas hydrates team of China has also successively carried out gas water in Qilian mountains permafrost region
The pilot production work of compound, and achieve success.
Up to now, the research for studying thermal stimulation methane hydrate in experiment both at home and abroad is only limitted to one-dimensional long cores
Clamper, the simulation of second vertical well.However, hydrate exploitation is no different with conventional gas and oil, equally it is a three-dimensional seepage field pressure
The process constantly landed.In order to different in the synthesis, decomposition and recovery process of more authentic and valid understanding grasp hydrate
Reservoir properties, temperature, pressure, change of production rule under the conditions of development scheme, different exploitation well groups etc. influence the important of pilot production
Sensitive parameter, three-dimensional hydrate extracting experiment simulation is carried out, the decomposition behavior of hydrate, meaning are studied particularly on three dimension scale
Justice is great.
In general, the resistivity value of hydrate is higher than the resistivity value of water or gas, less than gas in hydrate phase, gas
Resistivity value in the system such as phase and aqueous phase.During hydrate sediment aerogenesis, it is gentle that hydrate gradually resolves into water, draws
Play sediment resistivity value time to time change.Therefore, the change in resistance during decomposition of hydrate can be used for characterizing water
The variation characteristic of compound deposit --- the i.e. rule of hydrate concentration field change.The electricity of the decomposable process of hydrate generation at present
The characteristic test of resistance rate, which is studied, is only limitted to small-sized reactor, and the change in resistance research in three-dimensional exploitation experimentation rarely has research.
In addition, constantly groping and innovating by decades, horizontal well and horizontal well-straight well mixing well pattern exploitation are utilized
Conventional gas and oil, it has been highly developed technological means.Had more in gas hydrates exploitation from horizontal well without comparable
The advantage of plan：The initial exploitation rate of horizontal well, control reserve and final evaluation recoverable reserves are several times of straight well；Horizontal well is with splitting
The intersecting chance in seam type reservoir is big, and tens times are bored more than the chance for meeting such reservoir than straight well, is effectively improved the flowing of reservoir fluid
Situation；Horizontal well meets the special circumstances on side, bottom water or upper and lower country rock, can effectively avoid risk；Horizontal well can also reduce ground
Face facility, extend limit of mining, avoid the interference of ground unfavorable conditions.Carry out three-dimensional hydration in indoor laboratory at home at present
In thing exploitation simulated experiment, horizontal well is not almost used also.
For such case, the applicant have developed a kind of gas hydrates exploitation analogue experiment installation, but make
It is to need to control to change with creation datas such as middle producing well bottom pressure, heat injection temperature, so could Optimal Development parameter.
The content of the invention
The technology of the present invention solves problem：Overcome the deficiencies in the prior art, there is provided a kind of gas hydrates develop mould
The 3D modelling system of draft experiment device, it, which can be controlled, changes the creation datas such as producing well bottom pressure, heat injection temperature, optimization
Development parameters, it can be used in studying the spatial distribution in temperature field in lanthanum chloride hydrate and decomposable process, the space point of saturation field
Cloth, the fltting speed in decomposition of hydrate forward position, the decomposition mechanism of hydrate.
The present invention technical solution be：The threedimensional model system of this gas hydrates exploitation analogue experiment installation
System, it includes：Die body, rotating mechanism, model well pattern, model support, bottom water cavity；The short axle that die body passes through its both ends
Frame makes die body rotate to specified angle around short axle on model support, by rotating mechanism, and model well pattern is located at model
In main body, bottom water cavity is located at the bottom of die body, and bottom water cavity is a big cavity, and fluid is by bottom water cavity even into mould
Layer of sand in type main body, one end of model support sets elevating mechanism to make the corresponding end lifting of die body or reduction, in mould
13 temperature sensor interfaces, 5 pressure sensor interfaces, 13 × 3 electric resistance sensor electrodes are arranged in type main body.
The present invention makes die body rotate to specified angle around short axle by rotating mechanism, makes mould by elevating mechanism
The corresponding end lifting or reduction of type main body, so as to make die body simulation peupendicular hole situation, along with temperature sensor,
Pressure sensor, therefore can control and change producing well bottom pressure, heat injection temperature is controlled by electric resistance sensor electrode, because
This, which can be controlled, changes heat injection temperature, so as to Optimal Development parameter, can be used in studying lanthanum chloride hydrate and decomposable process medium temperature
Spend spatial distribution, the spatial distribution of saturation field, the fltting speed in decomposition of hydrate forward position, the decomposition mechanism of hydrate of field.
Brief description of the drawings
Fig. 1 is the structural representation according to the 3D modelling system of the gas hydrates exploitation analogue experiment installation of the present invention
Figure.
Embodiment
As shown in figure 1, the 3D modelling system of this gas hydrates exploitation analogue experiment installation, it includes：Model
Main body 1, rotating mechanism, model well pattern 2, model support 3, bottom water cavity；Die body is by the short axle frame at its both ends in model branch
On frame, die body is set to rotate to specified angle around short axle 4 by rotating mechanism, model well pattern is located on die body, bottom
Water cavity is located at the bottom of die body, and bottom water cavity is a big cavity, and fluid is by bottom water cavity even into die body
Layer of sand, one end of model support sets elevating mechanism to make the corresponding end lifting of die body or reduction, on die body
Arrange 13 temperature sensor interfaces, 5 pressure sensor interfaces, 13 × 3 electric resistance sensor electrodes.
The present invention makes die body rotate to specified angle around short axle by rotating mechanism, makes mould by elevating mechanism
The corresponding end lifting or reduction of type main body, so as to make die body simulation peupendicular hole situation, along with temperature sensor,
Pressure sensor, therefore can control and change producing well bottom pressure, heat injection temperature is controlled by electric resistance sensor electrode, because
This, which can be controlled, changes heat injection temperature, so as to Optimal Development parameter, can be used in studying lanthanum chloride hydrate and decomposable process medium temperature
Spend spatial distribution, the spatial distribution of saturation field, the fltting speed in decomposition of hydrate forward position, the decomposition mechanism of hydrate of field.
Die body can go to any inclination angle around axle, then lock again.Rotating shaft also tiltable certain angle simultaneously, so may be used
Simulate from vertically to level various situations, again can anticline certain angle, greatly expand research range.
The 3D modelling system can contrast the production performance spy of hydrate under the conditions of different well pattern patterns, well spacing density
Sign, optimized well pattern development plan.
Peupendicular hole network interface is arranged on three-dimensional planar model, different well pattern exploitation of gas hydrate processes can be simulated.
3D modelling system important technological parameters are：Interior work chamber size 300mm × 300mm × 80mm, wherein thickness can
Adjust；Maximum working pressure 25MPa, design pressure 30MPa；Operating temperature -15~50 DEG C, calorstat temperature -20~60 DEG C, with day
The one-dimensional core holding unit of right gas hydrate exploitation analogue experiment installation shares.
In addition, the die body of the 3D modelling system includes cope plate and lower template, lower template is axially movable
Piston cylinder operator.So it is capable of the variable volume of implementation model main body.
In addition, movably distance is less than or equal to 60mm to the piston of the lower template, the thickness of the lower template is 20-80mm.
In addition, described cope plate one end is steel body structure, the other end is the structure that changes the outfit of form and metal bearing plate.Pass through
Glass directly observation experiment phenomenon or can be observed and imaged.It is one side form to change an end clamp plate, can be used for simulation water
Water ridge coning process when horizontal well exploits bottom aquifer, the change that research water ridge forms with development mechanism, water breakthrough time and recovery ratio are advised
Rule.
In addition, the form is safety glass and downwardly convex.
In addition, rubber seal is provided between the safety glass and perimeter frame.
In addition, the rubber seal is fixed in perimeter frame by rectangle steel flange.
In addition, the rectangle steel flange is vertical and horizontal screen network.Reinforcement grid is realized with rectangle steel flange simultaneously
Combined type connects, and can be observed at ambient pressure and with pressure.
In addition, the model well pattern is square, respectively a well point is set to connect in the center of model well pattern, four corners
Mouthful, form vertical well pattern.
In addition, the lower side in the bottom water cavity sets 4 water injection holes, fluid injects bottom simultaneously by 4 hand-holes
Water cavity.When three-dimensional planar model goes to upright position by level, the bottom of model is designed with bottom water cavity, to ensure to enter from bottom water cavity
Entering the fluid of layer of sand can promote even into layer of sand, fluid into uniform, and bottom water cavity is designed to a big cavity, is allowed to entering
The fluid of bottom water cavity produce snubber impact energy can equilibrium push ahead, bottom water cavity lower side is designed with 4 injections
Mouthful, bottom water cavity can be injected simultaneously from 4 hand-holes.When mounted cast goes to horizontal level, bottom water cavity becomes side water layer again,
It can be used for providing side Fluid Dynamics.
It is described above, be only presently preferred embodiments of the present invention, any formal limitation not made to the present invention, it is every according to
Any simple modification, equivalent change and modification made according to the technical spirit of the present invention to above example, still belong to the present invention
The protection domain of technical scheme.
Claims (10)
- A kind of 1. 3D modelling system of gas hydrates exploitation analogue experiment installation, it is characterised in that：It includes：Model master Body (1), rotating mechanism, model well pattern (2), model support (3), bottom water cavity；Die body is existed by short axle (4) frame at its both ends On model support, die body is set to rotate to specified angle around short axle by rotating mechanism, model well pattern is located at die body On, bottom water cavity is located at the bottom of die body, and bottom water cavity is a big cavity, and fluid is by bottom water cavity even into model master Internal layer of sand, one end of model support sets elevating mechanism to make the corresponding end lifting of die body or reduction, in model master 13 temperature sensor interfaces, 5 pressure sensor interfaces, 13 × 3 electric resistance sensor electrodes are arranged on body.
- 2. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 1, its feature exist In：The die body of the 3D modelling system includes cope plate and lower template, and lower template is the piston cylinder operator being axially movable.
- 3. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 2, its feature exist In：Movably distance is less than or equal to 60mm to the piston of the lower template, and the thickness of the lower template is 20-80mm.
- 4. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 3, its feature exist In：Described cope plate one end is steel body structure, and the other end is the structure that changes the outfit of form and metal bearing plate.
- 5. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 4, its feature exist In：The form is safety glass and downwardly convex.
- 6. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 5, its feature exist In：Rubber seal is provided between the safety glass and perimeter frame.
- 7. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 6, its feature exist In：The rubber seal is fixed in perimeter frame by rectangle steel flange.
- 8. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 7, its feature exist In：The rectangle steel flange is vertical and horizontal screen network.
- 9. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 8, its feature exist In：The model well pattern is square, respectively sets a well point interface in the center of model well pattern, four corners, forms vertical Well pattern.
- 10. the 3D modelling system of gas hydrates exploitation analogue experiment installation according to claim 9, its feature exist In：4 water injection holes are set in the lower side of the bottom water cavity, fluid injects bottom water cavity simultaneously by 4 hand-holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710637935.4A CN107687337A (en) | 2017-07-28 | 2017-07-28 | A kind of 3D modelling system of gas hydrates exploitation analogue experiment installation |
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| CN201710637935.4A CN107687337A (en) | 2017-07-28 | 2017-07-28 | A kind of 3D modelling system of gas hydrates exploitation analogue experiment installation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236243A (en) * | 2018-11-02 | 2019-01-18 | 广州海洋地质调查局 | Three-dimensional comprehensive reservoir hydrate sunykatuib analysis system and analysis method |
| CN109236244A (en) * | 2018-11-02 | 2019-01-18 | 广州海洋地质调查局 | Three-dimensional comprehensive reservoir hydrate sunykatuib analysis device |
| CN109725356A (en) * | 2018-12-29 | 2019-05-07 | 中国地质调查局油气资源调查中心 | A kind of gas hydrates exploitation imitative experimental appliance |
| CN118837505A (en) * | 2024-09-19 | 2024-10-25 | 清华大学深圳国际研究生院 | Gas phase leading flowing system hydrate loop experiment system and test method |
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| CN109236244A (en) * | 2018-11-02 | 2019-01-18 | 广州海洋地质调查局 | Three-dimensional comprehensive reservoir hydrate sunykatuib analysis device |
| CN109236243B (en) * | 2018-11-02 | 2023-11-14 | 广州海洋地质调查局 | Three-dimensional comprehensive reservoir hydrate simulation analysis system and analysis method |
| CN109725356A (en) * | 2018-12-29 | 2019-05-07 | 中国地质调查局油气资源调查中心 | A kind of gas hydrates exploitation imitative experimental appliance |
| CN118837505A (en) * | 2024-09-19 | 2024-10-25 | 清华大学深圳国际研究生院 | Gas phase leading flowing system hydrate loop experiment system and test method |
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